Well, you could kill a number of them with, say, a pollutant. Perhaps even raise the local birth defect rate significantly. Might take a while for enough people to make enough noise your way. But even then, who cares if they're making noise? Even if they get all vigilante hostile, as long as one can get wealthy fast enough, one could always cut out to a new location in the nation to retire on millions, or start up again under a new name.
Let's not act like companies haven't been willing to poison folks for a quick profit, hoping some other schmuck later down the road would be stuck with the mess before enough people realize what's happened. From meat to drinking water, history tells us that capitalism doesn't necessarily breed virtue.